high
7.5
Advisory Published
Updated

CVE-2020-5881

First published: Thu Apr 30 2020(Updated: )

On versions 15.0.0-15.1.0.1, 14.1.0-14.1.2.3, and 13.1.0-13.1.3.3, when the BIG-IP Virtual Edition (VE) is configured with VLAN groups and there are devices configured with OSPF connected to it, the Network Device Abstraction Layer (NDAL) Interfaces can lock up and in turn disrupting the communication between the mcpd and tmm processes.

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
F5 Access Policy Manager>=13.1.0<=13.1.3.3
F5 Access Policy Manager>=14.1.0<=14.1.2.3
F5 Access Policy Manager>=15.0.0<=15.1.0.1
F5 BIG-IP Advanced Firewall Manager>=13.1.0<=13.1.3.3
F5 BIG-IP Advanced Firewall Manager>=14.1.0<=14.1.2.3
F5 BIG-IP Advanced Firewall Manager>=15.0.0<=15.1.0.1
F5 BIG-IP Analytics>=13.1.0<=13.1.3.3
F5 BIG-IP Analytics>=14.1.0<=14.1.2.3
F5 BIG-IP Analytics>=15.0.0<=15.1.0.1
F5 BIG-IP Application Acceleration Manager>=13.1.0<=13.1.3.3
F5 BIG-IP Application Acceleration Manager>=14.1.0<=14.1.2.3
F5 BIG-IP Application Acceleration Manager>=15.0.0<=15.1.0.1
F5 Application Security Manager>=13.1.0<=13.1.3.3
F5 Application Security Manager>=14.1.0<=14.1.2.3
F5 Application Security Manager>=15.0.0<=15.1.0.1
F5 BIG-IP>=13.1.0<=13.1.3.3
F5 BIG-IP>=14.1.0<=14.1.2.3
F5 BIG-IP>=15.0.0<=15.1.0.1
F5 BIG-IP Fraud Protection Service>=13.1.0<=13.1.3.3
F5 BIG-IP Fraud Protection Service>=14.1.0<=14.1.2.3
F5 BIG-IP Fraud Protection Service>=15.0.0<=15.1.0.1
Riverbed SteelApp Traffic Manager>=13.1.0<=13.1.3.3
Riverbed SteelApp Traffic Manager>=14.1.0<=14.1.2.3
Riverbed SteelApp Traffic Manager>=15.0.0<=15.1.0.1
F5 BIG-IP Link Controller>=13.1.0<=13.1.3.3
F5 BIG-IP Link Controller>=14.1.0<=14.1.2.3
F5 BIG-IP Link Controller>=15.0.0<=15.1.0.1
Riverbed SteelApp Traffic Manager>=13.1.0<=13.1.3.3
Riverbed SteelApp Traffic Manager>=14.1.0<=14.1.2.3
Riverbed SteelApp Traffic Manager>=15.0.0<=15.1.0.1
F5 BIG-IP Policy Enforcement Manager>=13.1.0<=13.1.3.3
F5 BIG-IP Policy Enforcement Manager>=14.1.0<=14.1.2.3
F5 BIG-IP Policy Enforcement Manager>=15.0.0<=15.1.0.1

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2020-5881?

    CVE-2020-5881 is rated as a high severity vulnerability due to its potential to disrupt network operations.

  • How do I fix CVE-2020-5881?

    To fix CVE-2020-5881, upgrade the affected BIG-IP versions to a non-vulnerable version as specified in the vendor's security advisory.

  • What versions are affected by CVE-2020-5881?

    CVE-2020-5881 affects BIG-IP Virtual Editions running versions 15.0.0 to 15.1.0.1, 14.1.0 to 14.1.2.3, and 13.1.0 to 13.1.3.3.

  • What are the impacts of exploiting CVE-2020-5881?

    Exploiting CVE-2020-5881 can lead to the Network Device Abstraction Layer (NDAL) Interfaces locking up, causing communication disruptions.

  • Is there a workaround for CVE-2020-5881?

    There are no specific workarounds for CVE-2020-5881; the best mitigation is to update to a fixed version.

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